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