C222123232321333131133133313331323133313231323133311322121123121   >>    C22212323232133313113313331333132313331323132313331132212112312   <<    C222123232321333131133133313331323133313231323133311322121123123   >>      C222123232321333131133133313331323133313231323133311322121123122   >>