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

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

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

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

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