C313212111133131211331333133313331333133313231333133313331313331323321   >>    C31321211113313121133133313331333133313331323133313331333131333132332   <<    C313212111133131211331333133313331333133313231333133313331313331323323   >>      C313212111133131211331333133313331333133313231333133313331313331323322   >>