C312322331333132212111133133313331333133312121111331211111323132322131   >>    C31232233133313221211113313331333133313331212111133121111132313232213   <<    C312322331333132212111133133313331333133312121111331211111323132322133   >>      C312322331333132212111133133313331333133312121111331211111323132322132   >>