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