C312322331333132212111133133313331333133312121111121111111112323131   >>    C31232233133313221211113313331333133313331212111112111111111232313   <<    C312322331333132212111133133313331333133312121111121111111112323133   >>      C312322331333132212111133133313331333133312121111121111111112323132   >>