C11111333133313232233133313331333133313331323132313331313332321   >>    C1111133313331323223313331333133313331333132313231333131333232   <<    C11111333133313232233133313331333133313331323132313331313332323   >>      C11111333133313232233133313331333133313331323132313331313332322   >>