C22212323232133313113313331333132313331323123233232322131133211   >>    C2221232323213331311331333133313231333132312323323232213113321   <<    C22212323232133313113313331333132313331323123233232322131133213   >>      C22212323232133313113313331333132313331323123233232322131133212   >>