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

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

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

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

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