C222123232321333131133133313331323132313331312112113231232323221   >>    C22212323232133313113313331333132313231333131211211323123232322   <<    C222123232321333131133133313331323132313331312112113231232323223   >>      C222123232321333131133133313331323132313331312112113231232323222   >>