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