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