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

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

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

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

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