(0 7 4)(1 21 19)(2 16 3)(5 17 13 11 8)(6 15 12 10 9)(14 20 18)
ALLOWS (11/8)-SEQUENCE
1: (0 3 4)

(0)(1 21 19)(2 16 3 7 4)(5 17 13 11 8)(6 15 12 10 9)(14 20 18)
2: (3 7 16)

(0)(1 21 19)(2 16 4)(3)(5 17 13 11 8)(6 15 12 10 9)(7)(14 20 18)
3: (5 17 13)

(0)(1 21 19)(2 16 4)(3)(5 11 8)(6 15 12 10 9)(7)(13)(14 20 18)(17)
4: (6 15 12)

(0)(1 21 19)(2 16 4)(3)(5 11 8)(6 10 9)(7)(12)(13)(14 20 18)(15)(17)