C31232233133313221211113313331333132313331322121111133313233313112333321   >>    C3123223313331322121111331333133313231333132212111113331323331311233332   <<    C31232233133313221211113313331333132313331322121111133313233313112333323   >>      C31232233133313221211113313331333132313331322121111133313233313112333322   >>