C111113331333132322331333133313331331121111121133131122112323331   >>    C11111333133313232233133313331333133112111112113313112211232333   <<    C111113331333132322331333133313331331121111121133131122112323333   >>      C111113331333132322331333133313331331121111121133131122112323332   >>