C1121221313331313231323132213231323133313231311233132333132313232111321   >>    C112122131333131323132313221323132313331323131123313233313231323211132   <<    C1121221313331313231323132213231323133313231311233132333132313232111323   >>      C1121221313331313231323132213231323133313231311233132333132313232111322   >>