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