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

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

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

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

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