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