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

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

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

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

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