C1121221313331313231323132213231323133313231311233132313331313221   >>    C112122131333131323132313221323132313331323131123313231333131322   <<    C1121221313331313231323132213231323133313231311233132313331313223   >>      C1121221313331313231323132213231323133313231311233132313331313222   >>