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