C1111233133313231133133313231333133313113313113313231333132311312331   >>    C111123313331323113313331323133313331311331311331323133313231131233   <<    C1111233133313231133133313231333133313113313113313231333132311312333   >>      C1111233133313231133133313231333133313113313113313231333132311312332   >>