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

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

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

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

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