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