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

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

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

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

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