C111113331333132322331333133313331331121111121133131122112313121   >>    C11111333133313232233133313331333133112111112113313112211231312   <<    C111113331333132322331333133313331331121111121133131122112313123   >>      C111113331333132322331333133313331331121111121133131122112313122   >>