C222123232321333131133133313331323133313231323211113113323223323121   >>    C22212323232133313113313331333132313331323132321111311332322332312   <<    C222123232321333131133133313331323133313231323211113113323223323123   >>      C222123232321333131133133313331323133313231323211113113323223323122   >>