c1c2c3c4c5c6c7c8c9c10c11c12c13c14c15c16c17c18c19c20c21c22c23c24c25c26c27c28c29c30c31c32c33c34c35c36c37c38c39c40c41c42c43c44c45c46c47c48c49c50c51
a1a2a3a4a5a6a7a8a9a10a11a12a13a14a15a16a17a18a19a20a21a22a23a24a25a26a27a28a29a30a31a32a33a34a35a36a37a38a39a40a41a42a43a44a45a46a47a48a49
b1b2b3b4b5b6b7b8b9b10b11b12b13b14b15b16b17b18b19b20b21b22b23b24b25b26b27b28b29b30b31b32b33b34b35b36b37b38b39b40b41b42b43b44b45b46b47b48b49b50
e1e2e3e4e5e6e7e8e9e10e11e12e13e14e15e16e17e18e19e20e21e22e23e24e25e26e27e28e29e30e31e32e33e34e35e36e37e38e39e40e41e42e43e44e45e46e47e48e49e50e51e52e53
s1s2s3s4s5s6s7s8s9s10s11s12s13s14s15s16s17s18s19s20s21s22s23s24s25s26s27s28s29s30s31s32s33s34s35s36s37s38s39s40s41s42s43s44s45s46s47s48s49s50s51s52s53s54s55s56s57s58s59s60s61s62s63s64s65s66s67
t1t2t3t4t5t6t7t8t9t10t11t12t13t14t15t16t17t18t19t20t21t22t23t24t25t26t27t28t29t30t31t32t33t34t35t36t37t38t39t40t41t42t43t44t45t46t47t48t49t50t51t52t53t54t55t56t57t58t59t60t61t62t63t64t65t66t67t68
r1r2r3r4r5r6r7r8r9r10r11r12r13r14r15r16r17r18r19r20r21r22r23r24r25r26r27r28r29r30r31r32r33r34r35r36r37r38r39r40r41r42r43r44r45r46r47r48r49r50r51r52r53r54r55r56r57r58r59r60r61r62r63r64r65r66
e1e2e3e4e5e6e7e8e9e10e11e12e13e14e15e16e17e18e19e20e21e22e23e24e25e26e27e28e29e30e31e32e33e34e35e36e37e38e39e40e41e42e43e44e45e46e47e48e49e50e51e52e53
f1f2f3f4f5f6f7f8f9f10f11f12f13f14f15f16f17f18f19f20f21f22f23f24f25f26f27f28f29f30f31f32f33f34f35f36f37f38f39f40f41f42f43f44f45f46f47f48f49f50f51f52f53f54
r1r2r3r4r5r6r7r8r9r10r11r12r13r14r15r16r17r18r19r20r21r22r23r24r25r26r27r28r29r30r31r32r33r34r35r36r37r38r39r40r41r42r43r44r45r46r47r48r49r50r51r52r53r54r55r56r57r58r59r60r61r62r63r64r65r66