C222123232321333131133133313331323133313231333131331131332322233231   >>    C22212323232133313113313331333132313331323133313133113133232223323   <<    C222123232321333131133133313331323133313231333131331131332322233233   >>      C222123232321333131133133313331323133313231333131331131332322233232   >>