C222123232321333131133133313331323133313231323211113311231323221   >>    C22212323232133313113313331333132313331323132321111331123132322   <<    C222123232321333131133133313331323133313231323211113311231323223   >>      C222123232321333131133133313331323133313231323211113311231323222   >>