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

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

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

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

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