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