C132233133112121111331333133313331333132322331333131121133231321   >>    C13223313311212111133133313331333133313232233133313112113323132   <<    C132233133112121111331333133313331333132322331333131121133231323   >>      C132233133112121111331333133313331333132322331333131121133231322   >>