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

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

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

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

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