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