C111123313121111121111331333132313331323132322331323223313133112323221211   >>    C11112331312111112111133133313231333132313232233132322331313311232322121   <<    C111123313121111121111331333132313331323132322331323223313133112323221213   >>      C111123313121111121111331333132313331323132322331323223313133112323221212   >>