C132233133112121111331333133313231333133313231323223313233233311   >>    C13223313311212111133133313331323133313331323132322331323323331   <<    C132233133112121111331333133313231333133313231323223313233233313   >>      C132233133112121111331333133313231333133313231323223313233233312   >>