C222123232321333131133133313331333132313231333133311212312213212111   >>    C22212323232133313113313331333133313231323133313331121231221321211   <<    C222123232321333131133133313331333132313231333133311212312213212113   >>      C222123232321333131133133313331333132313231333133311212312213212112   >>