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

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

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

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

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