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