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

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

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

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

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