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

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

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

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

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