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