C222123232321333131133133313331323133313231323133311322132232123321   >>    C22212323232133313113313331333132313331323132313331132213223212332   <<    C222123232321333131133133313331323133313231323133311322132232123323   >>      C222123232321333131133133313331323133313231323133311322132232123322   >>