C2221232323213331311331333133313231323133313231123312331112112321   >>    C222123232321333131133133313331323132313331323112331233111211232   <<    C2221232323213331311331333133313231323133313231123312331112112323   >>      C2221232323213331311331333133313231323133313231123312331112112322   >>