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