C111113331333132322331333133313331333132313121111331322132211321   >>    C11111333133313232233133313331333133313231312111133132213221132   <<    C111113331333132322331333133313331333132313121111331322132211323   >>      C111113331333132322331333133313331333132313121111331322132211322   >>