C132233133112121111331333133313331333132322331333133313211211113313231   >>    C13223313311212111133133313331333133313232233133313331321121111331323   <<    C132233133112121111331333133313331333132322331333133313211211113313233   >>      C132233133112121111331333133313331333132322331333133313211211113313232   >>