C13223313311212111133133313331312111133132313232233131333132321   >>    C1322331331121211113313331333131211113313231323223313133313232   <<    C13223313311212111133133313331312111133132313232233131333132323   >>      C13223313311212111133133313331312111133132313232233131333132322   >>