C1111233133313231133133313331333133313231331121133132322121111131323131211   >>    C111123313331323113313331333133313331323133112113313232212111113132313121   <<    C1111233133313231133133313331333133313231331121133132322121111131323131213   >>      C1111233133313231133133313331333133313231331121133132322121111131323131212   >>