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