C111123313121111121111331323133313331333132322121111331331121111331323132213121   >>    C11112331312111112111133132313331333133313232212111133133112111133132313221312   <<    C111123313121111121111331323133313331333132322121111331331121111331323132213123   >>      C111123313121111121111331323133313331333132322121111331331121111331323132213122   >>