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

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

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

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

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