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