C222123232321333131133133313331323132313331312112113233233223311   >>    C22212323232133313113313331333132313231333131211211323323322331   <<    C222123232321333131133133313331323132313331312112113233233223313   >>      C222123232321333131133133313331323132313331312112113233233223312   >>