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

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

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

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

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