C31232233133313221211113313331333132313331322121111331311211112331333321   >>    C3123223313331322121111331333133313231333132212111133131121111233133332   <<    C31232233133313221211113313331333132313331322121111331311211112331333323   >>      C31232233133313221211113313331333132313331322121111331311211112331333322   >>