C111123313121111121111331333133313331333131113211331323133313232332111   >>    C11112331312111112111133133313331333133313111321133132313331323233211   <<    C111123313121111121111331333133313331333131113211331323133313232332113   >>      C111123313121111121111331333133313331333131113211331323133313232332112   >>