C22212323232133313113313331333132313331323132213231312131333221   >>    C2221232323213331311331333133313231333132313221323131213133322   <<    C22212323232133313113313331333132313331323132213231312131333223   >>      C22212323232133313113313331333132313331323132213231312131333222   >>