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

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

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

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

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