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