C222123232321333131133133313331323133313231333133323311322221313321   >>    C22212323232133313113313331333132313331323133313332331132222131332   <<    C222123232321333131133133313331323133313231333133323311322221313323   >>      C222123232321333131133133313331323133313231333133323311322221313322   >>