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