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