CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "www.castlelearning.com",cType: 'managed',cRay: '8ec9f2af0cf99cc8',cH: 'I_Ja1XupFRP.k1_WKTuCPRASBhw5VTia4CymHXTbfQc-1733295925-1.2.1.1-HymN5GhnMSYEbEZSO8olVK39I9.pX63DNVG5oaijrxKI7Oq0ow1UmEJQXiATUJ7o',cUPMDTk: "\/?__cf_chl_tk=b6r63l3oTOvCG3wQcZmA7xVbhGT1_sn4a59l9pZZlL4-1733295925-1.0.1.1-viN9MIZ.xwxA2IGZl3CxcDC4.qKNIlzAIOaBznSTPRY",cFPWv: 'b',cITimeS: '1733295925',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/?__cf_chl_f_tk=b6r63l3oTOvCG3wQcZmA7xVbhGT1_sn4a59l9pZZlL4-1733295925-1.0.1.1-viN9MIZ.xwxA2IGZl3CxcDC4.qKNIlzAIOaBznSTPRY",md: "BDDSWVgqjS4Cxef3DB8mw6xrpsTLJDmYpIpZ4gqG40E-1733295925-1.2.1.1-9LVQAwSwolu_zEgITGB3xhsZjP.LR30qSUynsSP701PFc9Wjx_bwcZy543RXZAp41aJNVVFXH6ROFwnttdm335QaIIKRprHThhC52dgulymbXXvLpr_ZBVfKkXgmh2eUf1_mZcGcnRn2bEIKqPhnRt0K2DERwucfHVUEoGnykvaR742lKRWwv.7yn1JQRTnJb2Abq4xzhM4Gi3B7xQgfUImbt9y0VvvcUKz4aVeZHoIC_pL_YO184pRibltXvQudeLIOog3elfSPwb2kto_3G2B_2RK6vZj_boI79ExS8WKQKArWyfyVgP9ee7SQq66d2Qk3MUHHxXEpwWK94PL017sehc3ys4U1q.qPZtTOK_th43SJOapSibA4jR0GlMRkN5.dPu8mGodz1eSWM.qt31b1y3qZvr6I7qdHl90qPEobUb92HwdkhXYQkVdJimHr8jHHM6ms4mffEWu_VEcG8ciYNlK3jZzpEKs7pSKsWr.BQ5C_viEn9VzodpSNd2gQhzwZqlJc3QbE9_PnB3CNkxAqe3mzB0FLquqcH6bF8aeM.WMQAg3VcZ8AwrBqeYfSCyAbNtN9DU2n1Bo3x2_nlXcxFP4_o0gGHUnSXcoayaw_XcLObdMCIYitPEQuXMhSlAubgEiDTxMu7OTSKOM.gaBe1SrBktdTcRQNKIgoZkNNnDgA4bulHROge_8JhhUqJXizWPpTTlzjGZn65OlnZsAsGweTpRUewIVOTNGieQqMJPEyH9EPvtFdBiM93FzSbbD3QMsuumq0Wdf9aKOe_WQuz_kPnE1Oqb5zvjba91J6ErrQ.KRJfuFWtitrDF3qWg5BY5hbi4gEHPo9S5OO_uvG4CYB4x6Lg0upg8LgGyKEp5ThL3wLoWHQQ6cPr6ZhAQHLUBBzVmdGSKUjZa9mRyn5k9Pqe8ZvwI8f2bxGAjRRhpgqEw4Xrz1Tk.EcG4xuIbanZdfy9W1Heom9iphPMR4zKyUkGJFhMKLZBBP8dopbhwwznc9vKmEuxYBIAtSBy1Fo_YdESb.RXqgtaWwuftJ_Kt69EUltEkgdZJxa3qZJ98YpZM06Kta_V9dDitdUtbIuOqxvWMvX.1eReSMXwJgqt5act2weNdrarNL8OkgXZOCcAdaCoLNG9zSej0yknPaFAmu.z4l6HrfvKuua46q8hwE1sNawjt7VBLRsGEfV0hhvNPToO8cOIP04ufmbXpOHlRg0lDdC66fzuMCH5AoHJYsfRGeJLa02uD23FbxJSKvM1jgpU_mQSVNw1xnb2xdA1bLswW_KmS5CRtDGi4pstXaC10jY4CtyZHlhcG5iOVlFIBELdb8SFcPOoDJ2dBwd91wEAR0V89f_zysxTJqa7HHtVMrt6gJAzJqEf8RKEVsM_0yoeVD46SL.EnhYxGkheFCZDdPpIY1V0khXH9Y_dXdTpy1IExUQRlGv7M3gieRnrEw4siyjEbrjkj1izEtE9AILo5Nu6NTf5eXz18KJT0veiVNrtO8Uz.e32VmF2CdedWHApFtx4DtNkVdX7iipZZwdamZKnAXG71LubVhBVz.RHA_aq84Uubn898bP5tgumLsGvZ39c34h5YiPPriHbmn36Mbt6D8QIrfiph0dMXO7R2s86yKNxqwIQdyo8.J23hL6qHzd0KVLS_lhkpQWEFYB_ejJj4g9wrdEi53gBd8INU_dgsNCB3811NgDYK0piA40RnoCOA3CdUp8CoMvp9F2rQ8V7tIMPg80V6e_iT.r1YuxPZszTDgvsdAryWdP3mCMXVsgBKYfUqu93qjPYrLgjoLAvV7VwL6m5mTX8TDx4GRd.a6HEY32g2wWCIDLQvI2xri0_poq6qQjue3RXJFTW7Ka51Vqvg7wwMm4lUgzksCJssngMoLtwc0rd9d5LstepVRbDBd7fnmKb5aL6z1ndxVGAwP.IrmbFA3.Dlf2U41OYVCzG_w24zv_Cs12WtjSv5Y1LklHlmfA3xMMB5ziPoyyWOTklnJD6G916EE07gAvMznlhh7FmoSvGloInffqJkd6TICULB3MODFbdmTWZuL2sCmsz4_Cekwrn_xi0e6d5sulzkchBAIoNJq8Rrpq8JusAumbqNVmkzb3ZN2urPk4JxcXTWHDKhkhJSMteKuiUGI7kUdTIT1FK5LTqfmkFsIBAXEkJH1F6QmAEUn3Dg39FplM7nCy3tV1Ag9hnHi1MqtXMK8bTueFOlaVIZSrRu06rw_l5F3WvXoXvoxnLB_7QuFhMVrZBjSNXUVZXIjkFDp.mQkQDjMVYDabybK15w95ahBvGtqhP3pUH_3PYMYcu.U5hr357woUyvEgscWCQIcbfJfKBdhaRPrFSmpZxwxBcexaPO1rKLh7NUKexbopHXgfGC7eNoJMD6rRzQNAESm62Ep3J2iPbUDVvUBHLKpp3HYBA7gAWlJUQ6JG_jd5F0C0NKp5w_CPASseoFCBL.TIvdO5flHNMVIcqE54rTFhKepUvILdaUzoxi6x7X2t9oyxDI80nMuj9br6SzzsH1qQPevTXhji4dOqVu1YksGrJiQ6FTI0YTAUMlnQPYRzTn1s9vIVubseG7EWk0LgmCZllU5Iop_Bmrm9Ft0TrESXuGTVyzgz4FLTtBhEmi5Z3XTREsJVXbDmrHERvBtbZm_CZqpAvlOJ4xviSCmEU1m0ZdJzeGeTC9osUODBbVfUv7YyVWx8q.xankVa3qkeA3awDkykkH3m5Doo_hsPRB0eN1aP8g77Ehze74Uov_xU.dXbeOQ5MSZeh4isfICsrf20jCet0PG5oTKnxehxpNAXOXo9MomE.106jtfF0gp04UVDGzq8I7vGf7FPRA7B9jFdTVkSk33lqLe1djYboKSON0MyN3cB",mdrd: "oEAoR5H5V1a8y1Xk4tclx_3A1_i7URp9f9qnbt.P_RA-1733295925-1.2.1.1-cC8tAS6TRCA9IJ6120gYsH8pDBaGw5rKZ0G16MDm9q4vpZHSK7Myb8UY8j7hphnsN1OYKT.CAbk7cAwfu8AK46tYUy8Vd5mTgXR553MmAEgU62rNNbN_tb3JnqhsIc_MkfjZsMEXeklwcom73cUG8yulPWkmnM1WWPMUcZ9IdwQvfg5XUDjgXIlvzn9U2ibuIgNK_gLfMPHu2P35uaE7xwwvFxHevzxwV0NWgeQ2PFW.MNUqHR0OlBLj5JLXOrOUIQ2OPr400337S3I8SJClqYBmdj4Aguklec5K9V8p5RFvpcaWHDurTU83YUycUhpc1nnlFOZTaGbvNRE7bDaFEhW9HWwRMMMEW06v8yNTLaUasFGb.QDYD2oqaYnaoP6qtx_d2oKHReiabgQUKJn0pX68PizL2fSzhcIv87_uA48Plekv8oMayTFTLhWVcLJrGA8OlmKTQiOYQEOPaRoLhESvXczl1rkO7geIDAjYW0qp.32Kjoq6dxYteAdoOEAA5A87D__hhIPVc5niO46LV7zXjpuNZK4rL154KCLP_NBiH4k0V_8lAujexNLuQjZWEp_kGAqzBCbjBDbdxOUuwzK4UhE.v72VEQjpzx1kl1rB4VIhiZxmt9AKtK22J50PE5gEyPOQnspGoGcbDoAskuDatWBXDCyEDsEUfd8RQ.VKHbqSVdc_uwEpHr1MyBiTOya99dP7nJDxE7vZHq3GvT0f05Jx67JfFuiTFEZr9BCgQDJ74GNcClMPm31DCZ4tAknxJxUDfavPdMnzE.5Ta95RqpSL861EQ10HZgoyVnjNi.F0hoBULLikuG62gikh1FtuDGCo5ySGBO.ncKsOJwyufrsT_x6eYwK_Gh3oPrCuZq6KLWgdC9OVzbCqI6lZ2_7J7ukj3Ciil8jxmQ7tOEhCwRrj6odMpkJ_tBlbKkCOIlzoKfctNnFVAwkAi.r4xYkjoDSVSJpap4FXvnIxUobIlH9J_XUrx8Jt6VnBMcTqwS52eAlRKfaNc2znxZiJQuNSAhmK0a0vFobjyVbVYP5LVtFejJecB5.E5oNOCjbGxI02xhCX_._2sLtPmclcRzBvoQm.QIUDEQVx5wmYzPmmxk75Qrc8ooJbYStwmRkPqFqMnvDXxYcIZzLwsByi9zhJi7JrV1P82kM81rt973yOwpacgokQysWee0niY2qkdoy6Mw5WksHemOWkiB2ouV7KOnSHXFvhKJmurRXH9_yv7YUje7VHMtQUcfgY91pN3u082cg_2R97LVzZtPQ6rf7ZuL5NfLC3hYmAQJDbdwFA0xAm52LTTNiFSVEMiekiRAyjrATZjynteg4nfeFwQQK3sXAvHyRgG2sJMV6ZU1fQJiOQ5RbHQ6EfvpJu1qHDbiLCtNtOFn2smH4.sbrWchdj6u4W63QUAxv0uQNBjFFsuMwixMI0LQmDW4KqS_JHfdL7kBtLabACyj5FleI._LmpF2iWqR23nz10Vf8cLhFKn65Oy.ghGo5FyucCM4D2gi0tDKLQSolfQ8i36IxLIZGIMEUM.EruYyVGzosnrafB_7ZQiEjakTNUJk55Zax9Fmd00XxCKmCJcW9nZK2rTksqtSmaTA_KRAA53T4BR5DLl7xCABv2whhb16Ds1c9Vu3yVfM07vGK7Wiivzd7zaOn9whXTyhUo0TZpfI2XvNDvT11qYc0sprNHiCyMRABcLe4tQq6MzSjEJdEXneUAm4BTlfrf7oP9pOapasMDI5DgwnlMsFDEwcNERc9jbs1kZR9l7VHY6l8c54xmbiuC0YRLJF93Dcwu80DdraAbbLhyN5kBMZQxNTSJDuCWEqZJzfDEJAeOGUnSCOIgVm_GpXpxdcnNtbzStr7fgSJOmhdtd0N2Z.1ObEZGXgDI8pJXi43iSaSauf_zexCRZ_wm43lBSDJHx_E34QBWKsPBXfCkRxc2lWSiqz_Ei1nt7Ia7xgdkwXb6RCGOV8uLwJ6E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=8ec9f2af0cf99cc8';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/?__cf_chl_rt_tk=b6r63l3oTOvCG3wQcZmA7xVbhGT1_sn4a59l9pZZlL4-1733295925-1.0.1.1-viN9MIZ.xwxA2IGZl3CxcDC4.qKNIlzAIOaBznSTPRY" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>