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

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

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

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

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