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