C222123232321333131133133313331323133313231323211113311231323311   >>    C22212323232133313113313331333132313331323132321111331123132331   <<    C222123232321333131133133313331323133313231323211113311231323313   >>      C222123232321333131133133313331323133313231323211113311231323312   >>