C1111233133313231133133313231333133313113313113313331333222322331311111   >>    C111123313331323113313331323133313331311331311331333133322232233131111   <<    C1111233133313231133133313231333133313113313113313331333222322331311113   >>      C1111233133313231133133313231333133313113313113313331333222322331311112   >>