C111113331333132322331333133313331331121111121133131121133131333132213233231   >>    C11111333133313232233133313331333133112111112113313112113313133313221323323   <<    C111113331333132322331333133313331331121111121133131121133131333132213233233   >>      C111113331333132322331333133313331331121111121133131121133131333132213233232   >>