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