C31232233133313221211113313331333132313331322121111331333112331333233231   >>    C3123223313331322121111331333133313231333132212111133133311233133323323   <<    C31232233133313221211113313331333132313331322121111331333112331333233233   >>      C31232233133313221211113313331333132313331322121111331333112331333233232   >>