C132233133112121111331333133313331333132313231332113313331323132312111112233111   >>    C13223313311212111133133313331333133313231323133211331333132313231211111223311   <<    C132233133112121111331333133313331333132313231332113313331323132312111112233113   >>      C132233133112121111331333133313331333132313231332113313331323132312111112233112   >>