C22212323232133313113313331333132313331323133313331213132331332332231   >>    C2221232323213331311331333133313231333132313331333121313233133233223   <<    C22212323232133313113313331333132313331323133313331213132331332332233   >>      C22212323232133313113313331333132313331323133313331213132331332332232   >>