C1232132322132332313231323131323131133131323132313331323133313233313232321321   >>    C123213232213233231323132313132313113313132313231333132313331323331323232132   <<    C1232132322132332313231323131323131133131323132313331323133313233313232321323   >>      C1232132322132332313231323131323131133131323132313331323133313233313232321322   >>