C31232233133313221211113313331333132313331322121111123121111133313233232232221   >>    C3123223313331322121111331333133313231333132212111112312111113331323323223222   <<    C31232233133313221211113313331333132313331322121111123121111133313233232232223   >>      C31232233133313221211113313331333132313331322121111123121111133313233232232222   >>