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

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

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

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

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