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

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

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

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

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