C12121212311232322331313232233132313331323221333132322331323221131   >>    C1212121231123232233131323223313231333132322133313232233132322113   <<    C12121212311232322331313232233132313331323221333132322331323221133   >>      C12121212311232322331313232233132313331323221333132322331323221132   >>