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

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

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

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

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