C222123232321333131133133313331323133313231323133311322132232123221   >>    C22212323232133313113313331333132313331323132313331132213223212322   <<    C222123232321333131133133313331323133313231323133311322132232123223   >>      C222123232321333131133133313331323133313231323133311322132232123222   >>