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