C111113331333132322331333133313331331121111121133132331211113313231312331   >>    C11111333133313232233133313331333133112111112113313233121111331323131233   <<    C111113331333132322331333133313331331121111121133132331211113313231312333   >>      C111113331333132322331333133313331331121111121133132331211113313231312332   >>