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