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

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

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

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

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