C111113331333132322331333133313331331121111121133132313331333132312323321   >>    C11111333133313232233133313331333133112111112113313231333133313231232332   <<    C111113331333132322331333133313331331121111121133132313331333132312323323   >>      C111113331333132322331333133313331331121111121133132313331333132312323322   >>