C312322331333132212111133133313331333133312121111331211111132131   >>    C31232233133313221211113313331333133313331212111133121111113213   <<    C312322331333132212111133133313331333133312121111331211111132133   >>      C312322331333132212111133133313331333133312121111331211111132132   >>