C111113331333132322331333133313331333132313331333133112113313113311231   >>    C11111333133313232233133313331333133313231333133313311211331311331123   <<    C111113331333132322331333133313331333132313331333133112113313113311233   >>      C111113331333132322331333133313331333132313331333133112113313113311232   >>