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