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