C22212323232133313113313331333133313231323132222123112113322311   >>    C2221232323213331311331333133313331323132313222212311211332231   <<    C22212323232133313113313331333133313231323132222123112113322313   >>      C22212323232133313113313331333133313231323132222123112113322312   >>