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

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

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

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

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