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