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

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

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

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

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