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