C313212111133131211331333133313331333133313231333133313331333133313221333222331   >>    C31321211113313121133133313331333133313331323133313331333133313331322133322233   <<    C313212111133131211331333133313331333133313231333133313331333133313221333222333   >>      C313212111133131211331333133313331333133313231333133313331333133313221333222332   >>