C312322331333132212111133133313331323133313221211331333132322121111123131   >>    C31232233133313221211113313331333132313331322121133133313232212111112313   <<    C312322331333132212111133133313331323133313221211331333132322121111123133   >>      C312322331333132212111133133313331323133313221211331333132322121111123132   >>