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

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

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

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

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