C222123232321333131133133313331323133313231323133311322132113313121   >>    C22212323232133313113313331333132313331323132313331132213211331312   <<    C222123232321333131133133313331323133313231323133311322132113313123   >>      C222123232321333131133133313331323133313231323133311322132113313122   >>