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

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

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

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

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