C1121221313331313231323132213231323133313231311233132333132322133231   >>    C112122131333131323132313221323132313331323131123313233313232213323   <<    C1121221313331313231323132213231323133313231311233132333132322133233   >>      C1121221313331313231323132213231323133313231311233132333132322133232   >>