C11111333133313232233133313331333133313221333133313232322123231   >>    C1111133313331323223313331333133313331322133313331323232212323   <<    C11111333133313232233133313331333133313221333133313232322123233   >>      C11111333133313232233133313331333133313221333133313232322123232   >>