C31232233133313221211113313331333132313331323331333132332313121   >>    C3123223313331322121111331333133313231333132333133313233231312   <<    C31232233133313221211113313331333132313331323331333132332313123   >>      C31232233133313221211113313331333132313331323331333132332313122   >>