C12121212311232322331313232233132313331323221333132322112113221   >>    C1212121231123232233131323223313231333132322133313232211211322   <<    C12121212311232322331313232233132313331323221333132322112113223   >>      C12121212311232322331313232233132313331323221333132322112113222   >>