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