C3123223313331322121111331333133313231333112113313331323331333132313211   >>    C312322331333132212111133133313331323133311211331333132333133313231321   <<    C3123223313331322121111331333133313231333112113313331323331333132313213   >>      C3123223313331322121111331333133313231333112113313331323331333132313212   >>