C111113331333132322331333133313331323131232313223313231323132313113321   >>    C11111333133313232233133313331333132313123231322331323132313231311332   <<    C111113331333132322331333133313331323131232313223313231323132313113323   >>      C111113331333132322331333133313331323131232313223313231323132313113322   >>