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

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

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

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

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