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

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

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

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

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