C111113331333132322331333133313331333133313121111121133132331331   >>    C11111333133313232233133313331333133313331312111112113313233133   <<    C111113331333132322331333133313331333133313121111121133132331333   >>      C111113331333132322331333133313331333133313121111121133132331332   >>