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

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

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

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

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