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

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

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

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

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