(0 21 2)(1 17 3)(4 22 20 15 6)(5 10 7)(8 18 16)(9 13 11)(12 19 14)
ALLOWS (11/8)-SEQUENCE
1: (0 1 2)

(0)(1 21 2 17 3)(4 22 20 15 6)(5 10 7)(8 18 16)(9 13 11)(12 19 14)
2: (2 17 21)

(0)(1 21 3)(2)(4 22 20 15 6)(5 10 7)(8 18 16)(9 13 11)(12 19 14)(17)
3: (15 22 20)

(0)(1 21 3)(2)(4 22 6)(5 10 7)(8 18 16)(9 13 11)(12 19 14)(15)(17)(20)
4: (8 18 16)

(0)(1 21 3)(2)(4 22 6)(5 10 7)(8)(9 13 11)(12 19 14)(15)(16)(17)(18)(20)