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