C31232233133313221211113313331333132313331322121111123121111133313232211321   >>    C3123223313331322121111331333133313231333132212111112312111113331323221132   <<    C31232233133313221211113313331333132313331322121111123121111133313232211323   >>      C31232233133313221211113313331333132313331322121111123121111133313232211322   >>