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