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

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

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

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

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