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