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