C111113331333132322331333133313331323133313233213133313123231121   >>    C11111333133313232233133313331333132313331323321313331312323112   <<    C111113331333132322331333133313331323133313233213133313123231123   >>      C111113331333132322331333133313331323133313233213133313123231122   >>