C222123232321333131133133313331323133313231323133311322133312311321   >>    C22212323232133313113313331333132313331323132313331132213331231132   <<    C222123232321333131133133313331323133313231323133311322133312311323   >>      C222123232321333131133133313331323133313231323133311322133312311322   >>