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