C132233133112121111331333133313331333132313231332113313231323122321   >>    C13223313311212111133133313331333133313231323133211331323132312232   <<    C132233133112121111331333133313331333132313231332113313231323122323   >>      C132233133112121111331333133313331333132313231332113313231323122322   >>