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

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

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

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

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