C22212323232133313113313331333132313331323123233232322213323321   >>    C2221232323213331311331333133313231333132312323323232221332332   <<    C22212323232133313113313331333132313331323123233232322213323323   >>      C22212323232133313113313331333132313331323123233232322213323322   >>