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