C313212111133131211331333133313331333133313231333133313331333133313233322123231   >>    C31321211113313121133133313331333133313331323133313331333133313331323332212323   <<    C313212111133131211331333133313331333133313231333133313331333133313233322123233   >>      C313212111133131211331333133313331333133313231333133313331333133313233322123232   >>