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

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

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

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

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