C1111233133313231133133313331333133313231331133132313331333132212111111111   >>    C111123313331323113313331333133313331323133113313231333133313221211111111   <<    C1111233133313231133133313331333133313231331133132313331333132212111111113   >>      C1111233133313231133133313331333133313231331133132313331333132212111111112   >>