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

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

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

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

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