(0 19 7 5 3)(1 4 2)(6 20 14 11 9)(8 17 16)(10 15 12)(13 21 18)
ALLOWS (11/8)-SEQUENCE
1: (0 7 19)

(0 7 19 5 3)(1 4 2)(6 20 14 11 9)(8 17 16)(10 15 12)(13 21 18)
2: (6 20 14)

(0 7 19 5 3)(1 4 2)(6 11 9)(8 17 16)(10 15 12)(13 21 18)(14)(20)
3: (5 7 19)

(0 7 3)(1 4 2)(5)(6 11 9)(8 17 16)(10 15 12)(13 21 18)(14)(19)(20)
4: (13 21 18)

(0 7 3)(1 4 2)(5)(6 11 9)(8 17 16)(10 15 12)(13)(14)(18)(19)(20)(21)