C312322331333132212111133133313331323133313221211111111112113111   >>    C31232233133313221211113313331333132313331322121111111111211311   <<    C312322331333132212111133133313331323133313221211111111112113113   >>      C312322331333132212111133133313331323133313221211111111112113112   >>