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