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

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

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

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

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