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