C22212323232133313113313331333132313331323131331213221131232321   >>    C2221232323213331311331333133313231333132313133121322113123232   <<    C22212323232133313113313331333132313331323131331213221131232323   >>      C22212323232133313113313331333132313331323131331213221131232322   >>