C222123232321333131133133313331333132313231333133311212312213133221311   >>    C22212323232133313113313331333133313231323133313331121231221313322131   <<    C222123232321333131133133313331333132313231333133311212312213133221313   >>      C222123232321333131133133313331333132313231333133311212312213133221312   >>