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