C111113331333132322331333133313331331121111121133131121133131333132331123231   >>    C11111333133313232233133313331333133112111112113313112113313133313233112323   <<    C111113331333132322331333133313331331121111121133131121133131333132331123233   >>      C111113331333132322331333133313331331121111121133131121133131333132331123232   >>