C11111333133313232233133313331333131133133311331322331323132233132313222321   >>    C1111133313331323223313331333133313113313331133132233132313223313231322232   <<    C11111333133313232233133313331333131133133311331322331323132233132313222323   >>      C11111333133313232233133313331333131133133311331322331323132233132313222322   >>