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