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