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