C111113331333132322331333133313331311331312111133131133133321123232321   >>    C11111333133313232233133313331333131133131211113313113313332112323232   <<    C111113331333132322331333133313331311331312111133131133133321123232323   >>      C111113331333132322331333133313331311331312111133131133133321123232322   >>