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

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

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

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

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