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

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

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

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

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