C12121212311232322331313232233132313331323221333132322132333131   >>    C1212121231123232233131323223313231333132322133313232213233313   <<    C12121212311232322331313232233132313331323221333132322132333133   >>      C12121212311232322331313232233132313331323221333132322132333132   >>