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