C313212111133131211331333133313331333133313231333133313331333133313112121332321   >>    C31321211113313121133133313331333133313331323133313331333133313331311212133232   <<    C313212111133131211331333133313331333133313231333133313331333133313112121332323   >>      C313212111133131211331333133313331333133313231333133313331333133313112121332322   >>