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

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

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

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

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