C2123132222131133131121131211113313231322331333133311211331333132321322321   >>    C212313222213113313112113121111331323132233133313331121133133313232132232   <<    C2123132222131133131121131211113313231322331333133311211331333132321322323   >>      C2123132222131133131121131211113313231322331333133311211331333132321322322   >>