C1111121111331311211331333133313331313331323223313331323131111222321   >>    C111112111133131121133133313331333131333132322331333132313111122232   <<    C1111121111331311211331333133313331313331323223313331323131111222323   >>      C1111121111331311211331333133313331313331323223313331323131111222322   >>