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