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