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

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

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

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

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