C1111233133313231133133313231333133313113313113313331333222322331   >>    C111123313331323113313331323133313331311331311331333133322232233   <<    C1111233133313231133133313231333133313113313113313331333222322333   >>      C1111233133313231133133313231333133313113313113313331333222322332   >>