C111123313121111121111331333131211113313231323331322331323221323131121   >>    C11112331312111112111133133313121111331323132333132233132322132313112   <<    C111123313121111121111331333131211113313231323331322331323221323131123   >>      C111123313121111121111331333131211113313231323331322331323221323131122   >>