C222123232321333131133133313331323133313231323231312323233223321   >>    C22212323232133313113313331333132313331323132323131232323322332   <<    C222123232321333131133133313331323133313231323231312323233223323   >>      C222123232321333131133133313331323133313231323231312323233223322   >>