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