C31232233133313221211113313331333132313331322121133133313232233131133133321221   >>    C3123223313331322121111331333133313231333132212113313331323223313113313332122   <<    C31232233133313221211113313331333132313331322121133133313232233131133133321223   >>      C31232233133313221211113313331333132313331322121133133313232233131133133321222   >>