C31232233133313221211113313331333131211113313231333132332311331333132313233121   >>    C3123223313331322121111331333133313121111331323133313233231133133313231323312   <<    C31232233133313221211113313331333131211113313231333132332311331333132313233123   >>      C31232233133313221211113313331333131211113313231333132332311331333132313233122   >>