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