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

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

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

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

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