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