C1232132322132332313231323131323131133131323132313331323133313232213232212331   >>    C123213232213233231323132313132313113313132313231333132313331323221323221233   <<    C1232132322132332313231323131323131133131323132313331323133313232213232212333   >>      C1232132322132332313231323131323131133131323132313331323133313232213232212332   >>