C312322331333132212111133133313331323132322331333132311112323131   >>    C31232233133313221211113313331333132313232233133313231111232313   <<    C312322331333132212111133133313331323132322331333132311112323133   >>      C312322331333132212111133133313331323132322331333132311112323132   >>