C1121221313331313231323132213231323133313231311233132333132231111   >>    C112122131333131323132313221323132313331323131123313233313223111   <<    C1121221313331313231323132213231323133313231311233132333132231113   >>      C1121221313331313231323132213231323133313231311233132333132231112   >>