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