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

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

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

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

(0 15 12)(1 16 3)(2)(4 10 6)(5)(7)(8)(9 13 11)(14)(17)(18)(19)(20)