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