C3123223313331322121111331333133313331331121123121111331333112113323321   >>    C312322331333132212111133133313331333133112112312111133133311211332332   <<    C3123223313331322121111331333133313331331121123121111331333112113323323   >>      C3123223313331322121111331333133313331331121123121111331333112113323322   >>