4 southeast | 9 south | 2 southwest |
3 east | 5 center | 7 west |
8 northeast | 1 north | 6 northwest |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ||
A | B | C | D | E | F | G | H | I | J | K | L | ||
1 | a | Aa | Ba | Ca | Da | Ea | Fa | Ga | Ha | Ia | Ja | ka | La |
2 | b | Ab | Bb | Cb | Db | Eb | Fb | Gb | Hb | Ib | Jb | kb | Lb |
3 | c | Ac | Bc | Cc | Dc | Ec | Fc | Gc | Hc | Ic | Jc | kc | Lc |
4 | d | Ad | Bd | Cd | Dd | Ed | Fd | Gd | Hd | Id | Jd | kd | Ld |
5 | e | Ae | Be | Ce | De | Ee | Fe | Ge | He | Ie | Je | ke | Le |
6 | f | Af | Bf | Cf | Df | Ef | Ff | Gf | Hf | If | Jf | kf | Lf |
7 | g | Ag | Bg | Cg | Dg | Eg | Fg | Gg | Hg | Ig | Jg | kg | Lg |
8 | h | Ah | Bh | Ch | Dh | Eh | Fh | Gh | Hh | Ih | Jh | kh | Lh |
9 | i | Ai | Bi | Ci | Di | Ei | Fi | Gi | Hi | Ii | Ji | ki | Li |
10 | j | Aj | Bj | Cj | Dj | Ej | Fj | Gj | Hj | Ij | Jj | kj | Lj |