C111113331333132322331333133313331323133313231333133313121111331333132233231   >>    C11111333133313232233133313331333132313331323133313331312111133133313223323   <<    C111113331333132322331333133313331323133313231333133313121111331333132233233   >>      C111113331333132322331333133313331323133313231333133313121111331333132233232   >>