C1111121111331311211331333133313331323131133133313222123313231323223331333211   >>    C111112111133131121133133313331333132313113313331322212331323132322333133321   <<    C1111121111331311211331333133313331323131133133313222123313231323223331333213   >>      C1111121111331311211331333133313331323131133133313222123313231323223331333212   >>