C132233133112121111331333133313331323133313233121111331333233222321   >>    C13223313311212111133133313331333132313331323312111133133323322232   <<    C132233133112121111331333133313331323133313233121111331333233222323   >>      C132233133112121111331333133313331323133313233121111331333233222322   >>