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