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

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

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

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

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