C312322331333132212111133133313331323133313221211111231211111333133313113112131   >>    C31232233133313221211113313331333132313331322121111123121111133313331311311213   <<    C312322331333132212111133133313331323133313221211111231211111333133313113112133   >>      C312322331333132212111133133313331323133313221211111231211111333133313113112132   >>