C3132121111133313233121111331333133313331333133313331333133112323132322321   >>    C313212111113331323312111133133313331333133313331333133313311232313232232   <<    C3132121111133313233121111331333133313331333133313331333133112323132322323   >>      C3132121111133313233121111331333133313331333133313331333133112323132322322   >>