C1111121111331311211331333133313231333132213233313331323132322132313121   >>    C111112111133131121133133313331323133313221323331333132313232213231312   <<    C1111121111331311211331333133313231333132213233313331323132322132313123   >>      C1111121111331311211331333133313231333132213233313331323132322132313122   >>