C31321211113313121133133313331333133313221211331333132333132313211221   >>    C3132121111331312113313331333133313331322121133133313233313231321122   <<    C31321211113313121133133313331333133313221211331333132333132313211223   >>      C31321211113313121133133313331333133313221211331333132333132313211222   >>