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