B1 0 1
B10 0 1
B11 0 1
B12 0 1
B13 0 1
B14 0 1
B15 0 1
B16 0 1
B17 0 1
B18 0 1
B19 0 1
B2 0 1
B20 0 1
B21 0 1
B22 0 1
B23 0 1
B24 0 1
B25 0 1
B26 0 1
B27 0 1
B28 0 1
B29 0 1
B3 0 1
B30 0 1
B31 0 1
B32 0 1
B33 0 1
B34 0 1
B35 0 1
B36 0 1
B37 0 1
B38 0 1
B39 0 1
B4 0 1
B40 0 1
B41 0 1
B42 0 1
B43 0 1
B44 0 1
B45 0 1
B46 0 1
B47 0 1
B48 0 1
B49 0 1
B5 0 1
B50 0 1
B51 0 1
B52 0 1
B53 0 1
B54 0 1
B55 0 1
B56 0 1
B57 0 1
B58 0 1
B59 0 1
B6 0 1
B60 0 1
B61 0 1
B62 0 1
B63 0 1
B64 0 1
B65 0 1
B7 0 1
B8 0 1
B9 0 1
