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

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

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

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

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