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

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

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

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

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