1,   4,   5,Ry:FX
     2,   4,   6,Rd:NZ
     3,   4,  14,Ra:LU
     4,   5,   7,Rd:NZ
     5,   5,  15,Ra:LU
     6,   6,   7,Ry:FX
     7,   6,  16,Ra:LU
     8,   7,  17,Ra:LU
     9,   8,   9,Ry:FX
    10,   8,  18,Ra:LU
    11,   9,  19,Ra:LU
    12,  10,  20,Rd:LU
    13,  11,  12,Ra:NZ
    14,  11,  21,Rd:LU
    15,  12,  13,Ar:FN
    16,  12,  22,Rd:LU
    17,  13,  23,Rd:LU
    18,  14,  15,Ry:FX
    19,  14,  16,Rd:NZ
    20,  15,  17,Rd:NZ
    21,  16,  17,Ry:FX
    22,  18,  19,Ry:FX
    23,  21,  22,Ra:NZ
    24,  22,  23,Ar:FN