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

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

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

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

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