C22212323232133313113313331333133313231323133313332132331213221321   >>    C2221232323213331311331333133313331323132313331333213233121322132   <<    C22212323232133313113313331333133313231323133313332132331213221323   >>      C22212323232133313113313331333133313231323133313332132331213221322   >>