C111123313121111121111331333132313331323132322331331121111123231   >>    C11112331312111112111133133313231333132313232233133112111112323   <<    C111123313121111121111331333132313331323132322331331121111123233   >>      C111123313121111121111331333132313331323132322331331121111123232   >>