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