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

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

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

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

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