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