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