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