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

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

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

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

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