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

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

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

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

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