C22212323232133313113313331333132313331323132213231312112223323231311   >>    C2221232323213331311331333133313231333132313221323131211222332323131   <<    C22212323232133313113313331333132313331323132213231312112223323231313   >>      C22212323232133313113313331333132313331323132213231312112223323231312   >>