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