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